Hopfen, Hans Joachim <br/><br/>
Farm implements for arid and tropical regions / 
by Hans Joachim Hopfen 
 - Rome :  FAO,  1960 
 - vii, 157 p. :  ill. ;  23 cm. 
 - FAO agricultural development paper ;  no. 67 .
<br/><br/>Bibliography: p. 145-148 
<br/><br/><label>ISBN: </label> USD 1.50 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural implements<br/>Farm equipment<br/>Farm management
<br/><br/><label>Dewey Class. No.: </label>630.82